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Practice Minimum Cost to Make All Characters Equal

Read the task, work through the examples, and check your approach against the constraints. Use the original LeetCode task for coding and submissions.

Medium#2712
LeetCode Problem

Minimum Cost to Make All Characters Equal

Problem Statement

For binary s, you may flip every bit in a prefix ending at i for cost i + 1, or every bit in a suffix starting at i for cost s.length - i. Return the minimum total cost to make the full string all zeros or all ones.

Source: Minimum Cost to Make All Characters Equal on LeetCode. Use the original task for its coding environment and submissions.

Examples

# Example 1

Input
s = "0011"
Output
2

# Example 2

Input
s = "010101"
Output
9

Constraints

1 <= s.length == n <= 10^5
s[i] is either '0' or '1'

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